Pesticide and Fertilizer Pollution — Prelims Questions

Which of the following statements regarding Persistent Organic Pollutants (POPs) is/are correct? 1. They are highly resistant to environmental degradation. 2. They tend to bioaccumulate in fatty tissues. 3. India is a signatory to the Stockholm Convention, which aims to eliminate or restrict POPs. Select the correct answer using the code given below:

Consider the following statements regarding the impact of chemical fertilizers: 1. Excess nitrogen and phosphorus runoff can lead to eutrophication in water bodies. 2. Long-term use of chemical fertilizers can improve soil structure and microbial diversity. 3. Nitrate contamination of groundwater is a concern, potentially causing methemoglobinemia. Which of the statements given above is/are correct?

Which of the following is NOT a primary objective of the Insecticides Act, 1968?

Consider the following pairs: 1. Organochlorines: High persistence, bioaccumulation 2. Organophosphates: Cholinesterase inhibitors, acute toxicity 3. Neonicotinoids: Systemic action, pollinator decline Which of the pairs given above are correctly matched?

The 'chemical treadmill' in agriculture primarily refers to: